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Arabis alpina chloroplast genome map. Genes drawn outside of the outer circle are transcribed clockwise, while genes drawn inside the outer circle are transcribed counterclockwise. Gray boxes correspond to exons and white boxes to introns. The thick lines of the inner circle indicate the inverted repeats (IRA and IRB) separating the unique sequences SSC and LSC. GenomeVx was used to draw the map (Conant and Wolfe, 2008).
